OPTICAL GAIN ANISOTROPY IN SERPENTINE SUPERLATTICE NANOWIRE-ARRAY LASERS

被引：14

作者：

HU, SY

MILLER, MS

YOUNG, DB

YI, JC

LEONARD, D

GOSSARD, AC

PETROFF, PM

COLDREN, LA

DAGLI, N

机构：

[1] Department of Electrical and Computer Engineering, University of California at Santa Barbara, Santa Barbara

来源：

APPLIED PHYSICS LETTERS | 1993年 / 63卷 / 15期

关键词：

D O I：

10.1063/1.110629

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report optical gain measurement from a serpentine superlattice nanowire-array laser sample, grown by molecular beam epitaxy on a 2-degrees-off (100)GaAs vicinal substrate. Gain spectra, obtained from in-plane ridge-waveguide lasers with stripes either parallel or perpendicular to the nanowire arrays at 1.4 K, showed that the optical gain for the TM mode became greater than that of the TE mode when the optical cavity was placed along the nanowire direction. This provides strong evidence that the lateral quantum confinement in the serpentine superlattice is stronger than the vertical quantum confinement.

引用

页码：2015 / 2017

页数：3

共 14 条

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